<!DOCTYPE html>
<html>
<head>
    <meta charset="UTF-8">
    <title></title>
    <script src="../lib/jquery-1.12.1.min.js"></script>
    <script>
        $(document).ready(function() {

            $('#addBtn').on('click', function() {

            });

        });
    </script>
</head>
<body>

<button id="addBtn">确定</button>
<hr>

<table border="1">
    <tr>
        <th>AAA</th>
        <th>BBB</th>
        <th>CCC</th>
        <th>DDD</th>
        <th>EEE</th>
    </tr>
    <tr>
        <td>111</td>
        <td>222</td>
        <td>333</td>
    </tr>
    <tr>
        <td>111</td>
        <td>222</td>
        <td>333</td>
    </tr>
    <tr>
        <td>111</td>
        <td>222</td>
        <td>333</td>
    </tr>
    <tr>
        <td>111</td>
        <td>222</td>
        <td>333</td>
    </tr>
    <tr>
        <td>111</td>
        <td>222</td>
        <td>333</td>
    </tr>
</table>

</body>
</html>